SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('767707777ad983201b1289ab6b8adfb5','0','3.128.173.32','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715730514','board.php?boardid=398&sid=5f9af424d0c32da2bd9b177920bcae19','0','0','')
mysql error: Duplicate entry '767707777ad983201b1289ab6b8adfb5' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 01:48
Script: /board.php?boardid=398&sid=5f9af424d0c32da2bd9b177920bcae19
Referer: